#include <Arduino.h>
// #include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
uint16_t i = 0;
void setup()
{
  // put your setup code here, to run once:
  pinMode(LED_BUILTIN, OUTPUT);
  Serial.begin(9600);
  ESP8266WebServer webServer(80);
}

void loop()
{
  // put your main code here, to run repeatedly:
  digitalWrite(LED_BUILTIN, HIGH);
  delay(5000);
  Serial.println(i++);
  digitalWrite(LED_BUILTIN, LOW);
  delay(5000);
  Serial.println(i++);
}